Window jack



Oct. 28, 1930.` l. STEINMAN 1,779,782 f WI NDOW JACK Filed Nov. 4, 1929 ATTORNEY Y Patented Oct. 28, Y1930 affini-l WINDOW .alici i My invention relates to a new and useful window jack adapted for use by glaziers, Window cleaners, painters and other artisans i for the purpose of affording a safe and easy' access to the exterior of a'window, in lieu of scaffolding and other conventional expedients heretofore known and used. My invention further relates to a window j ack of an extremely simple and durable construction and one which can be applied to, or removed from a window, from within, and without the aid of any external fastening devices.

My invention further relates to a novel window jack of a knock-down, portable construction which lends itself to easy and convient manipulation.

To the above ends my invention consists of a horizontally disposed angle iron, an inclined leg hinged at its rear and to the rear um, I P

or outer end of said angle iron, the front or inner end of said leg being connected to the frontA end of said angle iron by a sectional l' folding brace, and a hook comprising a horizontal rear section engaging the front portion of said angle iron and an inverted U-shaped "i Figure 11 rePresents a sideelevation of a jack embodying my invention shown applied to a window.

Figure 2, represents a section on line 2 2 of Figure 1. Y

Figure 3, represents a fragmentary view showing details of construction. v

For the purpose of illustrating my invention I have shown in the accompanying draw# lings one form thereof which isat present preferred by me, since the same has been Y 45. found in practice togive satisfactory and reliable results, although 'it is to be understood that the various instrumentalities of which my invention consists can be variously arranged and organized and that my invention Y is not limited to the precise arrangement and afl-f Isaac STEINMAN, or PHILADELHA, PENNSYIVANIA" folding upon themselves inwardly in the direction of the arrow, thereby forming a compact and portable device.

By making the various parts ut'of a iight rigid metal, I produce a portable jack which may be carried about` ata minimum ofeiort'i' v Y I am aware that the invention may be embodied in other specic forms withoutdeparting` from the spirit1 or essential attributes thereof, and I therefore desire the present embodiment to be considered in all respects: asI illustrative and not restrictive, Ireference being to thepappended claims rather than to the foregoing descriptionto in dicatethe scopeof theinvention. Y n ,Y

V,I-Iavingthus described my invention what I lclaim as new and desire to securev by Letters Patentis Y y i ll. A window yjack of the character stated, comprising a horizontally extending bracket having a pair ofiv spaced holes inthe topthereof,'and aninv'erte'd U-shaped hook adapted to straddle abwindow-lsill, the inner `limb of -said hook engaging the inner surface of the wall below said sill and the outer limb of said hook passing downwardly through the first of said holes ,and being then deflected 'at Vright angles 'tojforni ahoriz'ontal. arm Eabutting against thev underside of the top .of said bracket, the free: end of said farmk passing upwardly. through the second ofsaid vholes and being forme'dinto an enla-r edhead.v y

[21 Ina window jac an inverted U-shaped hook adaptedto stra-ddlea window sill and tol engage the inner surface'of the vvall'below Y' I said'sillfwith'thefinner limbthereof, a horizontally disposed angle iron, a lower inclined leg 'havinglits upperouter end hinged to the outer endy of said angleiron, fag-sectional col- Y lapsiblebrace'joining' theinnerfends of said angle iron and said brace,'there being a pair of spaced vholesinthe top" of Ysaidaa'igle iron, the outer limb ofsaid Ushaped hook passing Y downwardly through the firstof, said holes and being deflected at rightangl'es to `form a horizontal 'army abutting `against the underside4 yof the top of said'angle iron, the freefend of"` "said v tl 1 r iz,onta`l arm passing upwardly throughV the second offsaid holQS. .and ,having an'enlarged head formed thereon. i 

